Home / 5,415.68-7,473.64-3,058.32

Finding the Fourth Proportional to 5,415.68, 7,473.64 and 3,058.32

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Solution

The fourth proportional to 5,415.68, 7,473.64 and 3,058.32 is: 4,220.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,415.68 : 7,473.64 = 3,058.32 : x
  2. Step 2: Convert to fraction form
    5,415.68/7,473.64 = 3,058.32/x
  3. Step 3: Cross multiply
    5,415.68x = 7,473.64 × 3,058.32
  4. Step 4: Simplify right side
    5,415.68x = 22,856,782.68
  5. Step 5: Solve for x
    x = 22,856,782.68/5,415.68
  6. Step 6: Final answer
    x = 4,220.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.